<!DOCTYPE html>
<html>
<head>
  <style>
    body {
      text-align: center;
      padding-top: 50px;
      background-color: var(--background-color);
      color: var(--text-color)
    }

    .spinner {
      animation: spin 1s linear infinite;
    }

    @keyframes spin {
      0% {
        transform: rotate(0deg);
      }
      100% {
        transform: rotate(360deg);
      }
    }
  </style>
</head>
<body>
<div class="spinner">⏳</div>
<p>Loading...</p>
</body>
</html>